
- Author: A. Dold B. Eckmann
- Language: French
- Year: 1980

- Author: A. Dold B. Eckmann
- Language: French
- Year: 1981

- Author: A. Dold B. Eckmann
- Language: French
- Year: 1981

- Author: A. Dold B. Eckmann
- Language: French
- Year: 1970

- Author: A. Dold B. Eckmann
- Language: French
- Year: 1971

- Author: A. Dold B. Eckmann
- Language: French
- Year: 1974

- Author: A. Dold B. Eckmann
- Language: French
- Year: 1976

- Author: A. Dold B. Eckmann
- Language: French
- Year: 1977

- Author: A. Dold B. Eckmann J.-M. Morel F. Takens B. Teissier
- Language: English
- Year: 1968

- Author: D. Dold B. Eckmann
- Language: English
- Year: 1968